Hello everyone. First of all, I am French and use Google Translate, my English will be bad

I have 6 LL120 fans and the Corsair Obsidian 500D RGB SE PREMIUM case with the Corsair Commander Pro. When I turn on or off my PC, a light effect (which I like a lot) is activated. This effect has never been done by myself and I come to your home to know how to reproduce it and keep it permanently. I give you the youtube video link here: